By MacDonald Dzirutwe HARARE (Reuters) - As social media exploded with outrage this week at the killing of Cecil the lion, the untimely passing of the celebrated predator at the hands of an American dentist went largely unnoticed in the animal's native Zimbabwe. "What lion?" acting information minister Prisca Mupfumira asked in response to a request for comment about Cecil, who was at that moment topping global news bulletins and generating reams...